Матвеева, Т. В., Н. В. Машкова, and П. А. Поротников. “Development of Management Model of Competitiveness of the Object of Additional Professional Education in Ural Federal University”. Modern Economics: Problems and Solutions, Vol. 4, Apr. 2015, pp. 14-21, https://journals.vsu.ru/meps/article/view/5158.